Lora-app-server make package-deb faild

I can run make build successfully ,but when I run make package-deb,some error occur
Generating combined Swagger JSON
Generating static files
Generating static files
Compiling source for linux amd64
Creating package for linux amd64
Building deb package for linux amd64
Unknown target
Makefile:40: recipe for target ‘package-deb’ failed
make: *** [package-deb] Error 1
Am I ignore something ? could anyone help ?

See the error:

Unknown target

This is an example how the command is invoked on the build server:


That’s work ,good!
You are so nice !
thanks !